.avi
AVI Format
Classic video format that can store uncompressed or lightly compressed planetary video
Advantages
- -Can be truly uncompressed (DIB codec)
- -Widely supported across all platforms
- -Playable in standard video players
- -Good compatibility with older software
Disadvantages
- -No per-frame timestamps
- -4GB file size limit (FAT32 systems)
- -Codec confusion (not all AVIs are equal)
- -Some AVIs are heavily compressed
Recommended For
- -Webcam-based capture
- -Legacy equipment
- -When SER is not available
- -Cross-platform compatibility needs
Not Recommended For
- -Long captures (4GB limit)
- -Scientific work requiring timestamps
- -When SER is available
Technical Details
AVI (Audio Video Interleave) is a container format. Quality depends entirely on codec used. Y800/DIB = uncompressed, MJPG = lightly compressed, many others heavily compressed. Always check codec before assuming quality.
Other Formats
Related Equipment
Smartphone
iPhone, Android, or other mobile devices capturing through telescope eyepiece
View guide
Planetary Camera
Dedicated high-speed cameras like ZWO ASI, QHY, or similar
View guide
ZWO ASI Cameras
Popular planetary cameras from ZWO including ASI290, ASI462, ASI678 - the most widely used cameras in amateur planetary imaging
View guide
QHY Cameras
High-quality planetary cameras from QHY including QHY5III, QHY462, QHY678 series
View guide
DSLR/Mirrorless Camera
Canon, Nikon, Sony and other interchangeable lens cameras - entry-level option for planetary imaging with significant limitations
View guide
Atmospheric Dispersion Corrector
Adjustable prism device that corrects atmospheric dispersion - essential for imaging below 40-45° altitude
View guide
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